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[email protected]CVE-2023-36838

HistoryJul 14, 2023 - 5:15 p.m.

CVE-2023-36838

2023-07-1417:15:09

CWE-125

[email protected]

web.nvd.nist.gov

cve-2023-36838

out-of-bounds read

juniper networks

junos os

srx series

dos

security vulnerability

nvd

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.2%

JSON

An Out-of-bounds Read vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a local, authenticated attacker with low privileges, to cause a Denial of Service (DoS).

If a low privileged user executes a specific CLI command, flowd which is responsible for traffic forwarding in SRX crashes and generates a core dump. This will cause temporary traffic interruption until the flowd process is restarted automatically. Continued execution of this command will lead to a sustained DoS.

This issue affects Juniper Networks Junos OS on SRX Series:
All versions prior to 20.2R3-S7;
20.3 version 20.3R1 and later versions;
20.4 versions prior to 20.4R3-S6;
21.1 versions prior to 21.1R3-S5;
21.2 versions prior to 21.2R3-S4;
21.3 versions prior to 21.3R3-S4;
21.4 versions prior to 21.4R3-S3;
22.1 versions prior to 22.1R3-S1;
22.2 versions prior to 22.2R3;
22.3 versions prior to 22.3R2;
22.4 versions prior to 22.4R1-S1, 22.4R2.

Affected configurations

NVD

Node

juniperjunosRange<20.2

juniperjunosMatch20.2-

juniperjunosMatch20.2r1

juniperjunosMatch20.2r1-s1

juniperjunosMatch20.2r1-s2

juniperjunosMatch20.2r1-s3

juniperjunosMatch20.2r2

juniperjunosMatch20.2r2-s1

juniperjunosMatch20.2r2-s2

juniperjunosMatch20.2r2-s3

juniperjunosMatch20.2r3

juniperjunosMatch20.2r3-s1

juniperjunosMatch20.2r3-s2

juniperjunosMatch20.2r3-s3

juniperjunosMatch20.2r3-s4

juniperjunosMatch20.2r3-s5

juniperjunosMatch20.2r3-s6

juniperjunosMatch20.3r1

juniperjunosMatch20.3r1-s1

juniperjunosMatch20.3r1-s2

juniperjunosMatch20.3r2

juniperjunosMatch20.3r2-s1

juniperjunosMatch20.3r3

juniperjunosMatch20.3r3-s1

juniperjunosMatch20.3r3-s2

juniperjunosMatch20.3r3-s3

juniperjunosMatch20.3r3-s4

juniperjunosMatch20.3r3-s5

juniperjunosMatch20.3r3-s6

juniperjunosMatch20.4-

juniperjunosMatch20.4r1

juniperjunosMatch20.4r1-s1

juniperjunosMatch20.4r2

juniperjunosMatch20.4r2-s1

juniperjunosMatch20.4r2-s2

juniperjunosMatch20.4r3

juniperjunosMatch20.4r3-s1

juniperjunosMatch20.4r3-s2

juniperjunosMatch20.4r3-s3

juniperjunosMatch20.4r3-s4

juniperjunosMatch20.4r3-s5

juniperjunosMatch21.1-

juniperjunosMatch21.1r1

juniperjunosMatch21.1r1-s1

juniperjunosMatch21.1r2

juniperjunosMatch21.1r2-s1

juniperjunosMatch21.1r2-s2

juniperjunosMatch21.1r3

juniperjunosMatch21.1r3-s1

juniperjunosMatch21.1r3-s2

juniperjunosMatch21.1r3-s3

juniperjunosMatch21.1r3-s4

juniperjunosMatch21.2-

juniperjunosMatch21.2r1

juniperjunosMatch21.2r1-s1

juniperjunosMatch21.2r1-s2

juniperjunosMatch21.2r2

juniperjunosMatch21.2r2-s1

juniperjunosMatch21.2r2-s2

juniperjunosMatch21.2r3

juniperjunosMatch21.2r3-s1

juniperjunosMatch21.2r3-s2

juniperjunosMatch21.2r3-s3

juniperjunosMatch21.3-

juniperjunosMatch21.3r1

juniperjunosMatch21.3r1-s1

juniperjunosMatch21.3r1-s2

juniperjunosMatch21.3r2

juniperjunosMatch21.3r2-s1

juniperjunosMatch21.3r2-s2

juniperjunosMatch21.3r3

juniperjunosMatch21.3r3-s1

juniperjunosMatch21.3r3-s2

juniperjunosMatch21.3r3-s3

juniperjunosMatch21.4-

juniperjunosMatch21.4r1

juniperjunosMatch21.4r1-s1

juniperjunosMatch21.4r1-s2

juniperjunosMatch21.4r2

juniperjunosMatch21.4r2-s1

juniperjunosMatch21.4r2-s2

juniperjunosMatch21.4r3

juniperjunosMatch21.4r3-s1

juniperjunosMatch21.4r3-s2

juniperjunosMatch22.1r1

juniperjunosMatch22.1r1-s1

juniperjunosMatch22.1r1-s2

juniperjunosMatch22.1r2

juniperjunosMatch22.1r2-s1

juniperjunosMatch22.1r2-s2

juniperjunosMatch22.1r3

juniperjunosMatch22.2r1

juniperjunosMatch22.2r1-s1

juniperjunosMatch22.2r1-s2

juniperjunosMatch22.2r2

juniperjunosMatch22.2r2-s1

juniperjunosMatch22.2r2-s2

juniperjunosMatch22.3r1

juniperjunosMatch22.3r1-s1

juniperjunosMatch22.3r1-s2

juniperjunosMatch22.4r1

AND

junipervsrxMatch-

junipercsrxMatch-

junipersrx100Match-

junipersrx110Match-

junipersrx1400Match-

junipersrx1500Match-

junipersrx210Match-

junipersrx220Match-

junipersrx240Match-

junipersrx240h2Match-

junipersrx240mMatch-

junipersrx300Match-

junipersrx320Match-

junipersrx340Match-

junipersrx3400Match-

junipersrx345Match-

junipersrx3600Match-

junipersrx380Match-

junipersrx4000Match-

junipersrx4100Match-

junipersrx4200Match-

junipersrx4600Match-

junipersrx5000Match-

junipersrx5400Match-

junipersrx550Match-

junipersrx550_hmMatch-

junipersrx550mMatch-

junipersrx5600Match-

junipersrx5800Match-

junipersrx650Match-

CPENameOperatorVersion
juniper:junosjuniper junoslt20.2
juniper:junosjuniper junoseq20.3
juniper:junosjuniper junoseq20.4
juniper:junosjuniper junoseq21.1
juniper:junosjuniper junoseq21.2
juniper:junosjuniper junoseq21.3
juniper:junosjuniper junoseq21.4
juniper:junosjuniper junoseq22.1
juniper:junosjuniper junoseq22.2
juniper:junosjuniper junoseq22.3

CPE	Name	Operator	Version
juniper:junos	juniper junos	lt	20.2
juniper:junos	juniper junos	eq	20.3
juniper:junos	juniper junos	eq	20.4
juniper:junos	juniper junos	eq	21.1
juniper:junos	juniper junos	eq	21.2
juniper:junos	juniper junos	eq	21.3
juniper:junos	juniper junos	eq	21.4
juniper:junos	juniper junos	eq	22.1
juniper:junos	juniper junos	eq	22.2
juniper:junos	juniper junos	eq	22.3

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CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "SRX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "20.2R3-S7",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "20.3R1",
            "status": "affected"
          }
        ],
        "lessThan": "20.3*",
        "status": "affected",
        "version": "20.3",
        "versionType": "custom"
      },
      {
        "lessThan": "20.4R3-S6",
        "status": "affected",
        "version": "20.4",
        "versionType": "custom"
      },
      {
        "lessThan": "21.1R3-S5",
        "status": "affected",
        "version": "21.1",
        "versionType": "custom"
      },
      {
        "lessThan": "21.2R3-S4",
        "status": "affected",
        "version": "21.2",
        "versionType": "custom"
      },
      {
        "lessThan": "21.3R3-S4",
        "status": "affected",
        "version": "21.3",
        "versionType": "custom"
      },
      {
        "lessThan": "21.4R3-S3",
        "status": "affected",
        "version": "21.4",
        "versionType": "custom"
      },
      {
        "lessThan": "22.1R3-S1",
        "status": "affected",
        "version": "22.1",
        "versionType": "custom"
      },
      {
        "lessThan": "22.2R3",
        "status": "affected",
        "version": "22.2",
        "versionType": "custom"
      },
      {
        "lessThan": "22.3R2",
        "status": "affected",
        "version": "22.3",
        "versionType": "custom"
      },
      {
        "lessThan": "22.4R1-S1, 22.4R2",
        "status": "affected",
        "version": "22.4",
        "versionType": "custom"
      }
    ]
  }
]

References

supportportal.juniper.net/JSA71645

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.2%

JSON

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